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Finding the Fourth Proportional to 133,670.44, 200,819.24 and 126,104.64

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Solution

The fourth proportional to 133,670.44, 200,819.24 and 126,104.64 is: 189,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.44 : 200,819.24 = 126,104.64 : x
  2. Step 2: Convert to fraction form
    133,670.44/200,819.24 = 126,104.64/x
  3. Step 3: Cross multiply
    133,670.44x = 200,819.24 × 126,104.64
  4. Step 4: Simplify right side
    133,670.44x = 25,324,237,965.27
  5. Step 5: Solve for x
    x = 25,324,237,965.27/133,670.44
  6. Step 6: Final answer
    x = 189,452.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.